Sardana Avksentyeva swept to power as mayor of Russia’s diamond capital in September.
Rising tensions have led to Pyongyang threatening missile and nuclear strikes against the United States and its ally South Korea.
Officially Colin Madsen, 25, died from hypothermia on a hiking trip in Buryatia, but his family are convinced he was killed.
Wrapped in reindeer hide and fur, the 6-to-7 year old was protected by a child-sized bronze axe and bear's pendant.
Krasnoyarsk and Novosibirsk suffering smoke pollution and infernos rage in forests after hot, dry weather.
A desperate hunt for six teenagers missing on a Tyva mountain was hampered in poor weather conditions including the threat of new avalanches.